CN107593220A - A kind of northern pear tree early ties the cultural method of high yield - Google Patents

A kind of northern pear tree early ties the cultural method of high yield Download PDF

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CN107593220A
CN107593220A CN201710861883.9A CN201710861883A CN107593220A CN 107593220 A CN107593220 A CN 107593220A CN 201710861883 A CN201710861883 A CN 201710861883A CN 107593220 A CN107593220 A CN 107593220A
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cuttage
pear tree
pear
fertilizer
cultural method
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杨盛
郝国伟
张晓伟
白牡丹
高鹏
杜海燕
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Pomology Institute Shanxi Academy of Agricultural Sciences
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Pomology Institute Shanxi Academy of Agricultural Sciences
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Abstract

The present invention provides the cultural method that a kind of northern pear tree early ties high yield, is related to fruit tree cultivation technical field.Cultural method of the present invention includes:Cuttage bar chooses and processing, final-period management, Growth of Pear Trees post-process for 12 years.Cultural method science of the present invention, premature labor high yield, can prevent the incidental most of pest and disease damage of pear tree, can reduce the incidence of disease of later stage pear tree, be easy to final-period management, reduce pest and disease damage and bring loss;Cultural method of the present invention makes the pear of final output in good taste, and quality is high, and color is beautiful and sugariness is high, and containing abundant selenium element in pear, it is good for health.

Description

A kind of northern pear tree early ties the cultural method of high yield
Technical field
The present invention relates to fruit tree cultivation technical field, and in particular to a kind of northern pear tree early ties the cultural method of high yield.
Background technology
Pears are one of worldwide main fruits, the third-largest fruit tree species in China.Pear tree originates in China, and kind veriety is numerous More, strong adaptability, distribution is extensively.Edible fruit is used, and has very high nutrition and medical value.The color of pears is generally crust Reveal golden yellow or warm yellow, the inside pulp is then well-illuminated white, and fresh and tender succulence, taste is sweet, and core taste is slightly sour, cool sexuality;Pears It is distributed in North China, northeast, northwest and Yangtze river basin each province;Harvested between the 7-9 months during fruit maturation, can using fresh herb or section dry.
Pear tree is rose family pear, perennial deciduous fruit tree, has extensive distribution in the whole world.Pear tree is tall and big fallen leaves Arbor, there are many similarities with apple tree., strong, long lifespan taller and bigger than apple tree, there is stronger dryness, layer, Easily in early days into flower result and continuous result.Apical dominance is fairly obvious, is easily formed outside strong up and weak down and setting fruit position and moved.Sprout Bud rate is high, weak into principal stresses.Pear tree well developed root system, vertical root is deep up to more than 2-3m, and horizontal branch is distributed more widely, about 2 times of hat width Left and right, root system main root is flourishing, and distribution is deeper, and layer is more obvious.Existing northern pear tree cultural method is planted with other plants Kind of mode is similar, generally include to transplant, apply fertilizer, draining irrigation, flower thinning, fruit thinning, trimming, the prevention and control of plant diseases, pest control, winter clear garden, fruit Harvesting and packaging step, still, cultural method is not good enough, and flower thinning, fruit thinning are according to thick dilute appropriate regulation of flower, fruit mostly, are had no The pitch requirements of science, are unfavorable for fruit growth, influence fruit quality, moreover, pear tree result is late, yields poorly, fruit rinds into Aberration, pulp quality are low.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides the cultural method that a kind of northern pear tree early ties high yield, solve existing Northern pear tree result evening in technology, yield poorly, fruit rinds are into aberration, the low-quality technical problem of pulp.
To realize object above, technical scheme is achieved by the following technical programs:
A kind of northern pear tree early ties the cultural method of high yield, comprises the following steps:
After S1, autumn pear tree fallen leaves, clip grows the biennial pear tree maternal plant after the full fallen leaves of normal, no disease and pests harm, axillary bud Strong bar as cuttage bar, cuttage bar is imbedded in wet sand;
S2, selection pH are 5.8-7, loose, soil salt content≤0.2% soil as cuttage crop field, deep-cut 1-1.5 m, so Backfill is mixed with sawdust, sandy soil and land afterwards, composite fertilizer and farm manure are added in backfill, one week before cuttage is with 800 Times Bravo solution disinfection slotting machine, is filled with enough bottom water;Fertilizer is added in backfill, ensures soil fertility, avoids cuttage bar in life " seemingly-dead " phenomenon occurs when long, improves cuttage bar survival rate;
S3, in the month in coming year 3-4, the cuttage bar being imbedded in wet sand is taken out, the necrosis part of each cuttage bar cut off, cuttage bar 45 degree of lower end is tiltedly cut, and be first soaked in water 2-3h, then soaks 10-25min with hormone, is carried out cuttage immediately after HORMONE TREATMENT, is pressed Cuttage is carried out in cuttage crop field according to seeding row spacing 0.7m*2.8m, pours once permeable after the completion of cuttage, when just plugging, to shade, it is to be generated After root, gradually remove shade thing;
In S4, final-period management, a height of 2.5m*3.2m of pear tree is controlled, is bloomed the previous moon in pear tree, pear tree is carried out at pinching Reason, and deadwood dead leaf, old branch old leaf, sick branch disease leaf are cut off, to foliage-spray foliar fertilizer, every plant of pear tree is afraid of spray 1-2kg foliar fertilizers, 7-10 days before flowering, by selenium, nitrogen, potassium, phosphorus, molybdenum, water according to weight than 0.01:1:1.2:1.3:0.1:After 1000 is well mixed Drench root 2-3 times, drench root 1 time per 2-3 days;
S5, Pear Fruit, which are plucked, just carries out spray fertilizer and insect pest preventing and controlling for second day, and the fertilizer composition of wherein spray fertilizer is urea, chlorination Potassium, Diammonium phosphate (DAP), urea, potassium chloride, Diammonium phosphate (DAP) are according to mass ratio 2:15:10 mixing, then it is diluted with water 1000-1200 times;
S6, Growth of Pear Trees 1-2, calcium and magnesium are applied respectively for every plant and started often for phosphorus 0.3kg, Se-enriched bio-organic fertilizer 1-2kg, the 3rd years Calcium and magnesium phosphorus 1.2-1.5kg is applied in strain respectively, Se-enriched bio-organic fertilizer 9-10kg, after the long fruit of pear tree annual March apply tea seed cake, flower The raw dregs of rice, the mixture of composite microbial bacteria, every plant of 10-13kg.
Preferably, there are 5-7 full buds described in step S1 on cuttage bar.
Preferably, hormone described in step S3 is indolebutyric acid, and the concentration of indolebutyric acid is 200mg/L.
Preferably, cuttage depth described in step S3 is the 2/3 of cutting length.
Preferably, foliar fertilizer described in step S4 is by chelated zinc or complexing zinc 1-3 parts, selenium methionine 3-8 parts, sodium alginate widow Sugared 1-3 parts, ferrous sulfate 2-5 parts, water 80-100 parts are uniformly mixed.
Preferably, the 1-2 of Growth of Pear Trees described in step S5, every plant is applied calcium and magnesium phosphorus 0.3kg, Se-enriched bio-organic fertilizer respectively 1.5kg, start within the 3rd year every plant and apply calcium and magnesium phosphorus 1.3kg respectively, Se-enriched bio-organic fertilizer 10kg, after the long fruit of pear tree annual March apply Add the mixture of tea seed cake, peanut meal, composite microbial bacteria, every plant of 12kg.
Wherein, tea seed cake is also known as tea seed cake, is remaining slag after the oil expression of Wild camellia seed oil fruit in purple brown coloured particles, protein Content is higher, using the teaching of the invention it is possible to provide to the nutrient needed for pear growth.Meanwhile tea seed cake may also function as insect prevention effect, make pear tree Root not snake, the usage amount of big big retarding agricultural chemicals, so can not only reduce the planting cost of pear tree, can also reduce to environment Pollution, make the pear non agricultural chemical residuum grown, be a kind of organic food of green non-pollution.In addition, energy after tea seed cake use Voluntarily decompose, non-toxic remaining is safe to use on human body without influence.Therefore, tea seed cake is a kind of natural, free of contamination, excellent The fertilizer of matter environment-friendly type.
Peanut meal is the product after oil plant is refined in squeezing from shelled peanut, and the growth of pear can be given to provide nutrition, make pears Son is in good taste, and nutritive value is high, at the same can also mineral nutrient element in strong adsorption, chelate fertilizer and soil, increase in soil The concentration of available nutrient, makes plant preferably absorb, and the loss and ineffective treatment for reducing fertilizer are fixed, and fertility is more lasting, Fertilizer efficiency significantly improves, and chronic administration can improve the physicochemical property of soil.
The present invention provides the cultural method that a kind of northern pear tree early ties high yield, and advantage is compared with prior art:
The northern pear tree of the present invention early ties the cultural method of high yield, is divided into the selection of cuttage bar and processing, the processing of cuttage crop field, later stage pipe 2-3h is chosen and are first soaked in water in handling to reason, Growth of Pear Trees 1-2 post processings, cuttage bar, is to ensure that cuttage bar has foot The moisture enough grown, then 10-25min is soaked with hormone, it is to prevent cuttage bar root downright bad, improvement cuttage bar in soil Disease-resistant anti-virus ability, rust of pear, pears black heart, the brown scab of pears, blossom rot can be prevented and treated, improve cuttage bar survive Rate, the incidence of disease of later stage pear tree is reduced, be easy to final-period management, reduced pest and disease damage and bring loss;Cuttage is to be selected from biennial pears Elite stand to be set, belongs to spray, the upper end cutting experiment of spray is good, and its reason is that spray has more endogenous growth hormone, and And the cell meristematic capacity in spray is strong, is advantageous to surviving for cutting;Fertilizer is added in backfill in the processing of cuttage crop field, is protected Soil fertility is demonstrate,proved, avoids cuttage bar that " seemingly-dead " phenomenon occurs in growth, improves cuttage bar survival rate, survival rate improves 15% More than;
Cultural method methodological science of the present invention, premature labor high yield, apply fertilizer after Growth of Pear Trees 1-2, being advantageous to the coming year can be to pear Growth nutrition is provided, make pear in good taste, the high color of nutritive value is beautiful and sugariness is high, and contains abundant selenium in pear Element, it is good for health;
Pear tree is cultivated using the inventive method, the best fruiting period can be extended, compared to traditional cultivation method, fruit tree growth is fast, the flower opened Dense, quality of bearing fruit is good, and the fruit matter speed of growth is fast, receives luminosity height, diseases prevention performance is good, and fruit bearing rate reaches 90%, and high yield rate reaches 80%, the operatic circle outward appearance is beautiful, and pulp is fine and smooth, and sugar content is high, and the pears born are delicate, delicious flavour of tasting, nutritious, flavor It is best in quality, bring new approaches for the early knot high-yield culturing of pear tree.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, with reference to the embodiment of the present invention pair Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention Embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound The every other embodiment obtained under the premise of the property made work, belongs to the scope of protection of the invention.
Embodiment 1:
The cultural method that the present embodiment north pear tree early ties high yield comprises the following steps:
After S1, autumn pear tree fallen leaves, clip grows the biennial pear tree maternal plant after the full fallen leaves of normal, no disease and pests harm, axillary bud Strong bar there are 5-7 full buds as cuttage bar, on cuttage bar, cuttage bar is imbedded in wet sand;
S2, selection pH are 5.8-7, loose, soil salt content≤0.2% soil as cuttage crop field, deep-cut 1 m, Ran Houyong Sawdust, sandy soil and land mix backfill, and composite fertilizer and farm manure are added in backfill, and one week before cuttage is with 800 times Bravo solution disinfection slotting machine, is filled with enough bottom water;Fertilizer is added in backfill, ensures soil fertility, avoids cuttage bar from growing Shi Fasheng " seemingly-dead " phenomenon, improve cuttage bar survival rate;
S3, in March in the coming year, the cuttage bar being imbedded in wet sand is taken out, the necrosis part of each cuttage bar cut off, under cuttage bar 45 degree of end is tiltedly cut, and be first soaked in water 2h, then soaks 10min with hormone, carries out cuttage immediately after HORMONE TREATMENT, hormone is concentration For 200mg/L indolebutyric acid, cuttage is carried out in cuttage crop field according to seeding row spacing 0.7m*2.8m, cuttage depth is cutting length 2/3, pour once permeable after the completion of cuttage, when just plugging, to shade, after under growth root, gradually remove shade thing;
In S4, final-period management, a height of 2.5m*3.2m of pear tree is controlled, is bloomed the previous moon in pear tree, pear tree is carried out at pinching Reason, and deadwood dead leaf, old branch old leaf, sick branch disease leaf are cut off, to foliage-spray foliar fertilizer, every plant of pear tree is afraid of spray 1kg foliar fertilizers, Bloom first 7 days, by selenium, nitrogen, potassium, phosphorus, molybdenum, water according to weight than 0.01:1:1.2:1.3:0.1:1000 it is well mixed after drench root 2 It is secondary, every 2 days leaching roots 1 time;
S5, Pear Fruit, which are plucked, just carries out spray fertilizer and insect pest preventing and controlling for second day, and the fertilizer composition of wherein spray fertilizer is urea, chlorination Potassium, Diammonium phosphate (DAP), urea, potassium chloride, Diammonium phosphate (DAP) are according to mass ratio 2:15:10 mixing, then it is diluted with water 1000 times;
The 1st year of S6, Growth of Pear Trees, calcium and magnesium is applied respectively for every plant and start every plant in phosphorus 0.3kg, Se-enriched bio-organic fertilizer 1kg, the 3rd years Apply calcium and magnesium phosphorus 1.2kg respectively, Se-enriched bio-organic fertilizer 9-10kg, after the long fruit of pear tree annual March apply tea seed cake, peanut meal, The mixture of composite microbial bacteria, every plant of 10kg.
Wherein, foliar fertilizer by chelated zinc or is complexed 1 part of zinc, 3 parts of selenium methionine, 1 part of sodium alginate oligosaccharide, sulphur in step S4 Sour ferrous 2 parts, 80 parts of water is uniformly mixed.
Embodiment 2:
The cultural method that the present embodiment north pear tree early ties high yield comprises the following steps:
After S1, autumn pear tree fallen leaves, clip grows the biennial pear tree maternal plant after the full fallen leaves of normal, no disease and pests harm, axillary bud Strong bar there are 5-7 full buds as cuttage bar, on cuttage bar, cuttage bar is imbedded in wet sand;
S2, selection pH are 5.8-7, loose, soil salt content≤0.2% soil as cuttage crop field, deep-cut 1.2 m, then Mixed and backfilled with sawdust, sandy soil and land, composite fertilizer and farm manure are added in backfill, one week before cuttage is with 800 Times Bravo solution disinfection slotting machine, is filled with enough bottom water;Fertilizer is added in backfill, ensures soil fertility, avoids cuttage bar in life " seemingly-dead " phenomenon occurs when long, improves cuttage bar survival rate;
S3, in the ten days 15th day of a month coming year 3, the cuttage bar being imbedded in wet sand is taken out, the necrosis part of each cuttage bar cut off, cuttage 45 degree of bar lower end is tiltedly cut, and be first soaked in water 2-3h, then soaks 18min with hormone, and cuttage, hormone are carried out immediately after HORMONE TREATMENT It is the indolebutyric acid that concentration is 200mg/L, carries out cuttage in cuttage crop field according to seeding row spacing 0.7m*2.8m, cuttage depth is slotting The 2/3 of bar length, pours once permeable after the completion of cuttage, when just plugging, to shade, after under growth root, gradually remove shade thing;
In S4, final-period management, a height of 2.5m*3.2m of pear tree is controlled, is bloomed the previous moon in pear tree, pear tree is carried out at pinching Reason, and deadwood dead leaf, old branch old leaf, sick branch disease leaf are cut off, to foliage-spray foliar fertilizer, every plant of pear tree is afraid of spray 1.5kg foliar fertilizers, 9 days before flowering, by selenium, nitrogen, potassium, phosphorus, molybdenum, water according to weight than 0.01:1:1.2:1.3:0.1:1000 it is well mixed after drench Root 3 times, every 3 days leaching roots 1 time;
S5, Pear Fruit, which are plucked, just carries out spray fertilizer and insect pest preventing and controlling for second day, and the fertilizer composition of wherein spray fertilizer is urea, chlorination Potassium, Diammonium phosphate (DAP), urea, potassium chloride, Diammonium phosphate (DAP) are according to mass ratio 2:15:10 mixing, then it is diluted with water 1100 times;
2 years of S6, Growth of Pear Trees, calcium and magnesium are applied respectively for every plant and start every plant in phosphorus 0.3kg, Se-enriched bio-organic fertilizer 1.5kg, the 3rd years Apply calcium and magnesium phosphorus 1.3kg respectively, Se-enriched bio-organic fertilizer 10kg, after the long fruit of pear tree annual March apply tea seed cake, peanut meal, multiple Close the mixture of microbial bacteria, every plant of 12kg.
Wherein, foliar fertilizer by chelated zinc or is complexed 2 parts of zinc, 5 parts of selenium methionine, 2 parts of sodium alginate oligosaccharide, sulphur in step S4 Sour ferrous 3 parts, 90 parts of water is uniformly mixed.
Embodiment 3:
The cultural method that the present embodiment north pear tree early ties high yield comprises the following steps:
After S1, autumn pear tree fallen leaves, clip grows the biennial pear tree maternal plant after the full fallen leaves of normal, no disease and pests harm, axillary bud Strong bar there are 5-7 full buds as cuttage bar, on cuttage bar, cuttage bar is imbedded in wet sand;
S2, selection pH are 5.8-7, loose, soil salt content≤0.2% soil as cuttage crop field, deep-cut 1.5 m, then Mixed and backfilled with sawdust, sandy soil and land, composite fertilizer and farm manure are added in backfill, one week before cuttage is with 800 Times Bravo solution disinfection slotting machine, is filled with enough bottom water;Fertilizer is added in backfill, ensures soil fertility, avoids cuttage bar in life " seemingly-dead " phenomenon occurs when long, improves cuttage bar survival rate;
S3, in April in the coming year, the cuttage bar being imbedded in wet sand is taken out, the necrosis part of each cuttage bar cut off, under cuttage bar 45 degree of end is tiltedly cut, and be first soaked in water 3h, then soaks 25min with hormone, carries out cuttage immediately after HORMONE TREATMENT, hormone is concentration For 200mg/L indolebutyric acid, cuttage is carried out in cuttage crop field according to seeding row spacing 0.7m*2.8m, cuttage depth is cutting length 2/3, pour once permeable after the completion of cuttage, when just plugging, to shade, after under growth root, gradually remove shade thing;
In S4, final-period management, a height of 2.5m*3.2m of pear tree is controlled, is bloomed the previous moon in pear tree, pear tree is carried out at pinching Reason, and deadwood dead leaf, old branch old leaf, sick branch disease leaf are cut off, to foliage-spray foliar fertilizer, every plant of pear tree is afraid of spray 2kg foliar fertilizers, Bloom first 10 days, by selenium, nitrogen, potassium, phosphorus, molybdenum, water according to weight than 0.01:1:1.2:1.3:0.1:1000 it is well mixed after drench root 3 times, every 3 days leaching roots 1 time;
S5, Pear Fruit, which are plucked, just carries out spray fertilizer and insect pest preventing and controlling for second day, and the fertilizer composition of wherein spray fertilizer is urea, chlorination Potassium, Diammonium phosphate (DAP), urea, potassium chloride, Diammonium phosphate (DAP) are according to mass ratio 2:15:10 mixing, then it is diluted with water 1200 times;
The 1st year of S6, Growth of Pear Trees, calcium and magnesium is applied respectively for every plant and start every plant in phosphorus 0.3kg, Se-enriched bio-organic fertilizer 2kg, the 3rd years Apply calcium and magnesium phosphorus 1.5kg respectively, Se-enriched bio-organic fertilizer 10kg, after the long fruit of pear tree annual March apply tea seed cake, peanut meal, multiple Close the mixture of microbial bacteria, every plant of 13kg.
Wherein, foliar fertilizer by chelated zinc or is complexed 3 parts of zinc, 8 parts of selenium methionine, 3 parts of sodium alginate oligosaccharide, sulphur in step S4 Sour ferrous 5 parts, 100 parts of water is uniformly mixed.
Test example:By the northern pear tree cultural method of Example 1 and Example 2 of the present invention and embodiment 3 with it is traditional Pear tree cultural method, compare kind of a survival rate for pear tree nursery stock, fruit bearing rate, fruit good harvest rate.According to embodiments of the invention 1, in fact Apply the cultural method of example 2, embodiment 3 and traditional pear tree, 100 plants, cultivate 3 years and calculate, and in its planting process, nursery stock into Motility rate, fruit bearing rate and high yield rate record and testing result such as table 1 below:Table 1
Survival rate % Fruit bearing rate % High yield rate %
Embodiment 1 78 86 78
Embodiment 2 85 90 80
Embodiment 5 82 88 76
Traditional cultivation 62 70 51
By the data of table 1 it is known that the plant percent of the present invention improves more than 15%, fruit bearing rate reaches more than 90%, High yield rate reaches 80%, in the planting process of 3 years, has significant economic benefit.
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although ginseng The present invention is described in detail according to previous embodiment, it will be understood by those within the art that:It still can be with Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic;And These modifications are replaced, and the essence of appropriate technical solution is departed from the spirit and model of various embodiments of the present invention technical scheme Enclose.

Claims (6)

1. a kind of northern pear tree early ties the cultural method of high yield, it is characterised in that comprises the following steps:
After S1, autumn pear tree fallen leaves, clip grows the biennial pear tree maternal plant after the full fallen leaves of normal, no disease and pests harm, axillary bud Strong bar as cuttage bar, cuttage bar is imbedded in wet sand;
S2, selection pH are 5.8-7, loose, soil salt content≤0.2% soil as cuttage crop field, deep-cut 1-1.5 m, so Backfill is mixed with sawdust, sandy soil and land afterwards, composite fertilizer and farm manure are added in backfill, one week before cuttage is with 800 Times Bravo solution disinfection slotting machine, is filled with enough bottom water;
S3, in the month in coming year 3-4, the cuttage bar being imbedded in wet sand is taken out, the necrosis part of each cuttage bar cut off, cuttage bar 45 degree of lower end is tiltedly cut, and be first soaked in water 2-3h, then soaks 10-25min with hormone, is carried out cuttage immediately after HORMONE TREATMENT, is pressed Cuttage is carried out in cuttage crop field according to seeding row spacing 0.7m*2.8m, pours once permeable after the completion of cuttage, when just plugging, to shade, it is to be generated After root, gradually remove shade thing;
In S4, final-period management, a height of 2.5m*3.2m of pear tree is controlled, is bloomed the previous moon in pear tree, pear tree is carried out at pinching Reason, and deadwood dead leaf, old branch old leaf, sick branch disease leaf are cut off, to foliage-spray foliar fertilizer, every plant of pear tree is afraid of spray 1-2kg foliar fertilizers, 7-10 days before flowering, by selenium, nitrogen, potassium, phosphorus, molybdenum, water according to weight than 0.01:1:1.2:1.3:0.1:After 1000 is well mixed Drench root 2-3 times, drench root 1 time per 2-3 days;
S5, Pear Fruit, which are plucked, just carries out spray fertilizer and insect pest preventing and controlling for second day, and the fertilizer composition of wherein spray fertilizer is urea, chlorination Potassium, Diammonium phosphate (DAP), urea, potassium chloride, Diammonium phosphate (DAP) are according to mass ratio 2:15:10 mixing, then it is diluted with water 1000-1200 times;
S6, Growth of Pear Trees 1-2, calcium and magnesium are applied respectively for every plant and started often for phosphorus 0.3kg, Se-enriched bio-organic fertilizer 1-2kg, the 3rd years Calcium and magnesium phosphorus 1.2-1.5kg is applied in strain respectively, Se-enriched bio-organic fertilizer 9-10kg, after the long fruit of pear tree annual March apply tea seed cake, flower The raw dregs of rice, the mixture of composite microbial bacteria, every plant of 10-13kg.
2. cultural method according to claim 1, it is characterised in that:Have 5-7 individual full described in step S1 on cuttage bar Bud.
3. cultural method according to claim 1, it is characterised in that:Hormone described in step S3 is indolebutyric acid, and indoles The concentration of butyric acid is 200mg/L.
4. cultural method according to claim 1, it is characterised in that:Cuttage depth described in step S3 is the 2/ of cutting length 3。
5. cultural method according to claim 1, it is characterised in that:Foliar fertilizer described in step S4 is by chelated zinc or complexing zinc 1-3 parts, selenium methionine 3-8 parts, sodium alginate oligosaccharide 1-3 parts, ferrous sulfate 2-5 parts, water 80-100 parts are uniformly mixed.
6. cultural method according to claim 1, it is characterised in that:The 1-2 of Growth of Pear Trees described in step S5, every plant point Calcium and magnesium every plant of beginning in phosphorus 0.3kg, Se-enriched bio-organic fertilizer 1.5kg, the 3rd years is not applied and applies calcium and magnesium phosphorus 1.3kg respectively, and Se-enriched bio has Machine fertilizer 10kg, after the long fruit of pear tree annual March apply tea seed cake, peanut meal, the mixture of composite microbial bacteria, every plant of 12kg.
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Application publication date: 20180119